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?/4-Transformer Based Harmonic Filter for Optimal Harmonic Impedance Modulation at Millimeter-Wave for High Efficiency Class-F^-1 Power Amplifiers
The proposed λ/4-transformer based Class-F^-1 load network effectively shapes the voltage and current waveform of the active device and increases the efficiency of the PA. The simple load structure makes it effective at millimeter-wave regime despite low quality (low-Q) of passive components. The effectiveness of the load network is verified...
Published: 12/17/2015   |   Inventor(s): Seyed Mortazavi, Kwang-Jin Koh
Category(s): Electrical